<template>
  <section class="main">
      <input id="toggle-all" class="toggle-all" type="checkbox" v-model="isAll" />
      <label for="toggle-all" >全部标记为已完成</label>
      <ul class="todo-list">
        <!-- These are here just to show the structure of the list items -->
        <!-- List items should get the class `editing` when editing and `completed` when marked as completed -->
        <li :class="{ completed:item.isDone }" v-for="item in list" :key="item.id" >
          <div class="view">
            <input class="toggle" type="checkbox" :checked="item.isDone" @change="$emit('state',item.id)" />
            <label>{{ item.name }}</label>
            <button class="destroy" @click="$emit('del',item.id)"></button>
          </div>
          <input class="edit" value="Create a TodoMVC template" />
        </li>
      </ul>
    </section>
</template>

<script>
// import { emit } from 'process';

export default {
  props : {
    list:Array
  },
  computed : {
    isAll: {
      get() {
        return this.list.every(item => item.isDone===true)
      },
      set(val){
        this.$emit('changeAllState',val)
      }
    }
  }
}
</script>

<style>

</style>